import Vue from 'vue'
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
import Users from './components/user/Users.vue'
import Rights from './components/power/Rights'
import Roles from './components/power/Roles'
import Cate from './components/goods/Cate'
import Params from './components/goods/Params'
import List from './components/goods/List'
import Add from './components/goods/Add'
import Order from './components/order/Order'
import Report from './components/report/Report'

Vue.use(Router)

const router = new Router({
  routes: [
    //设置路由重定向
    {path: '/', redirect: '/login'},
    //为登陆页面添加路由
    {path: '/login', component: Login},
    //为后台主页添加路由
    { path: '/home',
      component: Home,
      children: [
        {path: '/home', redirect: '/welcome'},
        {path: '/welcome', component: Welcome},
        {path: '/users', component: Users},
        {path: '/rights', component: Rights},
        {path: '/roles', component: Roles},
        {path: '/categories', component: Cate},
        {path: '/Params', component: Params},
        {path: '/goods', component: List},
        {path: '/goods/add', component: Add},
        {path: '/orders', component: Order},
        {path: '/reports', component: Report}
      ]
    }
  ]
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  //如果用户访问的是登录页，直接放行
  if (to.path === '/login') return next();
  //如果用户没有token，强制跳转到登陆页
  const token = window.sessionStorage.getItem('token');
  if (!token) return next('/login');
  next();
})
export default router;
